I'll give you a question, please answer with step-by-step reasoning process. What could be moved to stop a hinged door from moving?
Options:
- doorway
- building
- jamb
- pantry
- furnace

A Jamb is the flat surface that runs vertically up either side of the door frame on to which a door is secured. Jamb could be moved to stop a hinged door from moving.
The answer: jamb.